Control lever for hydraulic systems



FIG. 1 is a front, top, and right side perspective view of a control lever for hydraulic systems showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a rear view thereof. 

CLAIM The ornamental design for a control lever for hydraulic systems, as shown and described. 